Università degli Studi di Cagliari
Redox Switchable Chromophores based on Metal (Ni, Pd, Pt) Mixed-Ligand Dithiolene Complexes Showing Molecular Second-order NLO Activity
ESPA, DAVIDE;PILIA, LUCA;MERCURI, MARIA LAURA;SERPE, ANGELA;DEPLANO, PAOLA
2011-01-01
Abstract
The synthesis and full characterization of the redox-active nickel triad mixed-ligand dithiolene complexes based on Bz2pipdt = 1,4-dibenzylpiperazine-3,2-dithione and dmit = 2-thioxo-1,3-dithiole-4,5-dithiolate ligands are reported. These complexes show a reversibly bleacheable solvatochromic peak and a remarkably high negative molecular first hyperpolarizability, whose values depend on the metal being highest for the platinum(II) compound
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